CN210915078U

CN210915078U - Horizontal automatic rope arranging and hanging rod machine

Info

Publication number: CN210915078U
Application number: CN201921794462.XU
Authority: CN
Inventors: 田吉韦; 田宏裕
Original assignee: Jiangsu Gingko Stage Equipment Co ltd
Current assignee: Jiangsu Gingko Stage Equipment Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-07-03
Anticipated expiration: 2029-10-24

Abstract

The utility model relates to a horizontal automatic rope arranging boom machine, which comprises a base, a drum mounting rack and a drum arranged on the drum mounting rack, wherein the base is provided with a guide rail, the drum mounting rack is provided with a slide block forming a moving pair with the guide rail, and two ends of the drum are respectively provided with a transmission mechanism and a lead screw mechanism; the transmission mechanism is composed of a motor and a speed reducer, an output shaft of the motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is connected with the winding drum; the screw rod mechanism is composed of a screw rod and a screw rod nut, the screw rod nut is fixed at the end part of the winding drum, and a supporting plate fixedly connected with the base is arranged on one side of the first side plate away from the motor; one end of the screw rod is fixed on the supporting plate, and the other end of the screw rod penetrates through the first side plate and the screw rod nut in sequence and then is inserted into the winding drum. The whole machine of the suspender machine is small in size, can be used in a narrow space, avoids a dustproof device and reduces the production cost.

Description

Horizontal automatic rope arranging and hanging rod machine

Technical Field

The utility model relates to a horizontal automatic rope arranging jib machine belongs to stage equipment technical field.

Background

On television station studio and theater stages, electric lifting lamplight booms are used in large quantities for quickly, flexibly and conveniently arranging lamps in the sky to realize the lamplight effect required by television shooting or stage performance. In order to realize the lift of light jib, the electronic rope arrangement jib machine of wire rope is essential device, and the rope arrangement jib machine in the past all has been the problem that exists for a long time: the reel of the electric suspender driving machine only rotates normally in the hoisting and lifting operation process, and does not move horizontally, so that the phenomena of steel wire rope superposition and string position are easily caused, and further, the reel is in disorder of rope and is stuck to a dead safety accident, and the light suspender full of lamps is in danger when being hoisted and lifted.

The applicant searches and finds that Chinese patent with publication number CN205873751U discloses an automatic translation and rope arrangement suspender machine, which comprises a base, a winding drum mechanism, a transmission mechanism and a screw rod mechanism, wherein the transmission mechanism and the screw rod mechanism are arranged at two ends of the winding drum mechanism, a motor drives a winding drum to rotate through a transmission shaft, and the winding drum and a winding drum support are enabled to do horizontal reciprocating motion in the base under the action of the screw rod mechanism. In the lifting rod machine, a transmission shaft driven by a motor drives a winding drum to rotate, and a screw rod is fixedly connected with the winding drum, so that the screw rod and the winding drum rotate together and are matched with a screw rod nut arranged on a supporting plate to form a screw rod mechanism. The applicant has found that, during use, such a structure presents several drawbacks:

1) when reel and lead screw co-rotation, the lead screw can stretch out to the backup pad outside, therefore the row rope jib machine can't remove narrow and small spaces such as wall limit, brings inconvenience for the use.

2) The part of the screw rod extending out of the outer side of the supporting plate needs to be provided with a dustproof device, otherwise, the screw rod can be blocked by dust after being used for a long time, so that the screw rod cannot be used, and the service life is further shortened; obviously, the addition of a dust guard increases the cost and the difficulty of production.

3) The screw rod nut matched with the screw rod is arranged on a supporting plate, in the using process, the screw rod needs to drive the winding drum mechanism to move together with the winding drum support, the winding drum mechanism and the winding drum support have large weight, and therefore in order to prolong the service life, the screw rod nut with large width needs to be arranged, so that the supporting plate needs to have large thickness, the weight of the supporting plate is increased, the production cost is increased, and the material using amount is increased.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: provides a horizontal automatic rope arranging suspender machine with small volume occupation and low production cost.

In order to solve the technical problem, the utility model provides a technical scheme is: a horizontal automatic rope arranging and hanging rod machine comprises a base, a reel mounting rack and a reel arranged on the reel mounting rack, wherein the reel mounting rack is composed of two vertical first side plates, a second side plate and a plurality of pull rods for connecting the first side plates and the second side plates, a guide rail is arranged on the base, a sliding block forming a moving pair with the guide rail is arranged on the reel mounting rack, and a transmission mechanism and a screw rod mechanism are respectively arranged at two ends of the reel; the transmission mechanism is composed of a motor and a speed reducer, the motor and the speed reducer are both arranged on the second side plate, an output shaft of the motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is connected with the winding drum; the screw rod mechanism is composed of a screw rod and a screw rod nut, the screw rod nut is fixed at the end part of the winding drum, and a supporting plate fixedly connected with the base is arranged on one side of the first side plate away from the motor; one end of the screw rod is fixed on the supporting plate, and the other end of the screw rod penetrates through the first side plate and the screw rod nut in sequence and then is inserted into the winding drum.

The utility model discloses the beneficial effect who brings is: 1) the utility model discloses well reel setting is between first curb plate and second curb plate, and the lead screw is fixed in the backup pad, and with the base keep motionless, the lead screw has reduced the horizontal direction's of complete machine size like this in inserting the reel, can use in narrow and small space. 2) The screw rod only extends out of the winding drum when in work, and the screw rod is completely inserted into the winding drum when in non-work state, so that a dustproof device of the screw rod is omitted, and the production cost is reduced. 3) The screw rod nut is arranged at the end part of the winding drum, so that the torque of the screw rod mechanism can be increased by increasing the width of the screw rod nut, the weight of other components can not be increased, the weight of the whole machine is reduced on the premise of ensuring the service life, and the production cost is reduced.

The further improvement of the technical scheme is as follows: the rope pressing device comprises a rope pressing shaft arranged in parallel with the winding drum and an elastic cylinder which is sleeved on the rope pressing shaft and can rotate around the rope pressing shaft, two ends of the rope pressing shaft are fixed on the first side plate and the second side plate respectively, and a gap with a preset size is reserved between the elastic cylinder and the winding drum. Thus, the steel wire rope can be prevented from falling off when in use.

The technical scheme is further improved as follows: the first side plate and the second side plate are both provided with mounting seats for mounting the rope pressing device, a spring is arranged between the mounting seat and a rope pressing shaft of the rope pressing device, one end of the spring is fixedly connected with the mounting seat, the other end of the spring is fixedly connected with the rope pressing shaft of the rope pressing device, the mounting seat is provided with a travel switch, and the travel switch is connected to a power supply circuit of the motor; the rope pressing device has a first working state in which a gap with a preset size is reserved between the elastic cylindrical object and the winding drum, and a second working state in which a travel switch is pressed to act. When wire rope twined together like this, wire rope can withstand the rope pressing device and make the spring compression, until the rope pressing device oppresses travel switch disconnection motor's supply circuit, the jib machine stop work, is handled by staff's further manual work, prevents to cause danger.

Preferably, a stroke limiter is arranged on an output shaft of the speed reducer, so that the boom machine can be prevented from working beyond a stroke.

Preferably, a smoke sensor and a fire breaking switch controlled by the smoke sensor are installed on the base, and the fire breaking switch is connected to a power supply circuit of the motor. Therefore, when a fire disaster happens, the smoke sensor cuts off the power supply circuit of the motor, and the danger caused by the continuous operation of the boom crane is prevented.

Because the weight of jib machine is heavier, for the convenience lifts by crane, preferentially, be equipped with lifting eye on first curb plate, the second curb plate.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a rear view schematic of fig. 1.

Fig. 3 is a schematic structural view of the rope press in fig. 1.

Fig. 4 is an installation schematic diagram of a medium voltage rope device according to an embodiment of the present invention.

Reference numerals: 1-motor, 2-speed reducer, 3-winding drum, 4-screw rod, 5-rope passing wheel, 6-first side plate, 7-lifting hole, 8-pressing block, 9-pull rod, 10-cover plate, 11-support plate, 12-second side plate, 13-base, 14-travel limiter, 15-rope pressing device, 16-smoke sensor, 17-rope arranging wheel, 18-sliding block, 19-guide rail, 20-mounting seat, 21-travel switch, 22-spring, 23-rope pressing shaft and 24-elastic barrel.

Detailed Description

Example one

The horizontal automatic rope arranging boom machine of this embodiment, as shown in fig. 1 and fig. 2, including base 13, install reel 3 on the reel mounting bracket and set up drive mechanism and the screw rod mechanism at reel 3 both ends respectively, the reel mounting bracket comprises two vertical first curb plates 6, second curb plate 12 and many pull rods 9 of connecting first curb plate 6, second curb plate 12, be equipped with guide rail 19 on the base 13, be equipped with on the reel mounting bracket and form the slider 18 of travelling pair with guide rail 19, the one end of base 13 is equipped with and is used for crossing rope sheave 5 to wire rope turns to.

The transmission mechanism is composed of a motor 1 and a speed reducer 2, when the transmission mechanism is implemented, the motor 1 and the speed reducer 2 are installed on the second side plate 12, an output shaft of the motor 1 is connected with an input shaft of the speed reducer 2, and an output shaft of the speed reducer 2 is connected with the winding drum 3 together to enable the motor 1 and the speed reducer 2 to rotate synchronously.

The screw rod mechanism is composed of a screw rod 4 and a screw rod nut (not shown in the figure), the screw rod nut is fixed at the end part of the winding drum 3, and a supporting plate 11 fixedly connected with a base 13 is arranged on one side of the first side plate 6 away from the motor 1; one end of the screw rod 4 is fixed on the supporting plate 11 (the position of the screw rod 4 penetrating through the supporting plate 11 is provided with a cover plate 10, the cover plate 10 is connected with the supporting plate 11 through a bolt), and the other end of the screw rod 4 penetrates through the first side plate 6 and the screw rod nut in sequence and then is inserted into the winding drum 3.

When the rope winding device is used, one end of the steel wire rope is fixed on the winding drum 3 through the pressing block 8, and the winding drum 3 is provided with the rope groove. The motor 1 drives the winding drum 3 to rotate, so that the winding drum 3 drives the motor 1 and the speed reducer 2 to horizontally reciprocate along the screw rod 4 while winding and unwinding the steel wire rope (lifting the suspender).

Compared with the prior art, the advantages brought by the embodiment include the following points: 1) the screw rod 4 is fixed and inserted into the winding drum 3, so that the size of the whole machine in the horizontal direction is reduced, and the machine can be used in a narrow space. 2) The screw rod 4 only extends out of the winding drum 3 when in work, and the screw rod 4 is completely inserted into the winding drum 3 when in non-work state, so that a dustproof device is omitted, and the production cost is reduced. 3) The screw rod nut is arranged at the end part of the winding drum 3, and a special supporting plate is not required to be arranged for installing the screw rod nut, so that the weight of the whole machine is reduced, and the production cost is reduced.

The embodiment can be further modified as follows:

1) as shown in fig. 1 to 3, in order to prevent the steel wire rope from falling off during use, a rope pressing device 15 is installed between the first side plate 6 and the second side plate 12. The rope pressing device 15 comprises a rope pressing shaft 23 arranged in parallel with the winding drum 3 and an elastic cylinder-shaped object 24 which is sleeved on the rope pressing shaft 23 and can rotate around the rope pressing shaft 23, two ends of the rope pressing shaft 23 are respectively fixed on the first side plate 6 and the second side plate 12, and a gap with a preset size is reserved between the elastic cylinder-shaped object 24 and the winding drum 3. Typically, the gap is about 1.2-1.5 times the diameter of the steel cord. In practice, the elastic tube 24 may be formed of a plurality of separate bodies or may be formed of one body.

2) In order to prevent the boom machine from overtravel working, a stroke limiter 14 is arranged on the output shaft of the speed reducer 2.

3) The base 13 is provided with a smoke sensor 16 and a fire breaking switch (not shown in the figure) controlled by the smoke sensor 16, the fire breaking switch is connected to a power supply circuit of the motor, the fire breaking switch is a normally closed switch, when a fire breaks out, the smoke sensor 16 senses smoke, and the fire breaking switch is disconnected to cut off the power of the boom crane, so that the boom crane stops working, and the boom crane is prevented from being used in the fire to cause danger. The smoke sensor 16 and the flame-out switch are all in the prior art and are not described in detail.

4) The first side plate 6 and the second side plate 12 are both provided with lifting holes 7.

Example two

The present embodiment is an improvement on the first embodiment, and compared with the first embodiment, the improvement is that: as shown in fig. 4, in this embodiment, the first side plate 6 and the second side plate 12 are both provided with a mounting seat 20 for mounting the rope pressing device 15, a spring 20 is provided between the mounting seat 20 and a rope pressing shaft 23 of the rope pressing device 15 (i.e., one end of the spring 20 is fixedly connected to the mounting seat 20, and the other end is fixedly connected to the rope pressing shaft 23 of the rope pressing device 15), a travel switch 21 is provided near the spring on the mounting seat 20, and the travel switch 21 is provided on a power supply circuit of the motor. When the steel wire ropes on the winding drum 3 are wound together, the superposed steel wire rope driving springs 20 contract to drive the rope pressing shafts 23 to press the travel switches 21, so that the travel switches 21 are switched off to power off the suspender machine, and the suspender machine is restarted after the steel wire ropes are tidied by workers to prevent accidental danger. The travel switch 21 is prior art and will not be described in detail.

In order to further reduce the horizontal space occupation, the present embodiment may be modified as follows: as shown in fig. 1 and 2, the motor 1 and the speed reducer 2 are vertically arranged up and down, so that the horizontal size of the whole machine is small, and the machine is more suitable for narrow areas such as corners and corners.

The present invention is not limited to the specific technical solutions described in the above embodiments, and other embodiments can be provided in addition to the above embodiments. It should be understood by those skilled in the art that any modifications, equivalent substitutions, improvements and the like that are made within the spirit and principle of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a horizontal automatic rope arranging jib machine which characterized in that: the winding drum comprises a base, a winding drum mounting rack and a winding drum arranged on the winding drum mounting rack, wherein the winding drum mounting rack is composed of two vertical first side plates, two vertical second side plates and a plurality of pull rods for connecting the first side plates and the second side plates, a guide rail is arranged on the base, a sliding block forming a moving pair with the guide rail is arranged on the winding drum mounting rack, and a transmission mechanism and a screw rod mechanism are respectively arranged at two ends of the winding drum;

the transmission mechanism is composed of a motor and a speed reducer, the motor and the speed reducer are both arranged on the second side plate, an output shaft of the motor is connected with an input shaft of the speed reducer, and an output shaft of the speed reducer is connected with the winding drum;

the screw rod mechanism is composed of a screw rod and a screw rod nut, the screw rod nut is fixed at the end part of the winding drum, and a supporting plate fixedly connected with the base is arranged on one side of the first side plate away from the motor; one end of the screw rod is fixed on the supporting plate, and the other end of the screw rod penetrates through the first side plate and the screw rod nut in sequence and then is inserted into the winding drum.

2. The horizontal automatic rope arranging boom machine of claim 1, wherein: the rope pressing device comprises a rope pressing shaft arranged in parallel with the winding drum and an elastic cylinder which is sleeved on the rope pressing shaft and can rotate around the rope pressing shaft, two ends of the rope pressing shaft are fixed on the first side plate and the second side plate respectively, and a gap with a preset size is reserved between the elastic cylinder and the winding drum.

3. The horizontal automatic rope arranging boom machine of claim 2, wherein: the first side plate and the second side plate are both provided with mounting seats for mounting the rope pressing device, a spring is arranged between the mounting seat and a rope pressing shaft of the rope pressing device, one end of the spring is fixedly connected with the mounting seat, the other end of the spring is fixedly connected with the rope pressing shaft of the rope pressing device, the mounting seat is provided with a travel switch, and the travel switch is connected to a power supply circuit of the motor; the rope pressing device has a first working state in which a gap with a preset size is reserved between the elastic cylindrical object and the winding drum, and a second working state in which a travel switch is pressed to act.

4. The horizontal automatic rope arranging boom machine of claim 1, wherein: and a stroke limiter is arranged on an output shaft of the speed reducer.

5. The horizontal automatic rope arranging boom machine of claim 1, wherein: the base is provided with a smoke sensor and a fire breaking switch controlled by the smoke sensor, and the fire breaking switch is connected to a power supply circuit of the motor.

6. The horizontal automatic rope arranging boom machine of claim 1, wherein: lifting holes are formed in the first side plate and the second side plate.